This Firmware flash for Samsung Galaxy A52s 5G with the Model Number is SM-A528B. Firmware Region is Mexico and CSC code is MXO . Make sure the Model Number are correct with you device. You can check the Model Number in Setting - About phone (Model Number), If phone can't start you can find it by flipping your phone or among the things you found in the box. This Firmware PDA is A528BXXU1AVA1 with OS R(Android 11) and the Firmware are build on Thu 13 Jan 2022 17:22:50 pm.